Measures medium- and high-velocity projectiles from 100 fps to 5,000 fps for bullets, arrows, bolts, slugs, birdshot, paintballs and airsoft BBs Easy to set up and simple to use; turn it on, point it in the right direction, and shoot within roughly 15” of the device Compact design is easy to transport since it fits in your back pocket Features an easy-to-read, backlit display Button-operated design is simple to use Up to 6 hours of battery life give you plenty of time at the range Pair with your smartphone, and use the ShotView app to record results and keep track of your data: compare velocity for every shot fired, calculate extreme spreads, keep track of different projectiles, track deviation and more No need to attach anything to your firearm, which means it won’t affect your zero or barrel harmonics Built to endure the elements with IPX7 water-resistant rating. EXCLUSIVE GPS City Bundle Includes a GPS City branded microfiber cloth!